# 厚生年金保険法 / Employees' Pension Insurance Act — 第二十八条 (Supplementary Provisions, Article 28) - Law: 厚生年金保険法 (Employees' Pension Insurance Act), 昭和二十九年法律第百十五号 - English title "Employees' Pension Insurance Act": Ministry of Justice translation - Kind: Act — the distinction between 法律 (Act), 政令 (Cabinet Order), 省令 (Ministerial Order) and 条例 (local ordinance) decides who may issue it and what it may say. - Provision: 第二十八条 (Supplementary Provisions, Article 28)（従前の特別保険料） — address `suppl-4121-18/art-28` - Text in force since: 2026-10-01 - URL (the page that opens at this provision): https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4121-18/art-28 - Permanent URL (e-Gov law ID, never renamed): https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-28 - Every provision below carries its address and both URLs on the line under it. - Japanese text: e-Gov 法令検索, Digital Agency (デジタル庁). English: as marked on each line below. Only the Japanese as published by the government has legal effect; the text below is a copy of it. Every English rendering below is a translation and says which kind: the Ministry of Justice's translation, or this site's machine translation, whose model and date the Sources list names. They are never merged and never substituted for one another. --- ### 第二十八条（従前の特別保険料） — Prior Special Insurance Premiums caption: machine translation, not official suppl-4121-18/art-28 · https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4121-18/art-28 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-28 **第一項** 平成十五年四月前の賞与等（第六条の規定による改正前の厚生年金保険法第八十九条の二第一項に規定する賞与等をいう。）に係る特別保険料については、なお従前の例による。 suppl-4121-18/art-28/par-1 · https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4121-18/art-28/par-1 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-28/par-1 The provisions then in force continue to govern special insurance premiums for a bonus, etc. (meaning a bonus, etc. prescribed in Article 89-2, paragraph (1) of the Employees' Pension Insurance Act prior to the amendment by Article 6) before April 2003. machine translation, not official ## Cited by 1 provision cites this one. No official source publishes this direction. - 厚生年金保険法 附則第一条第一項第四号（施行期日） — https://japanlaw.org/ja/employees-pension-insurance-act/suppl-4121-18/art-1/par-1/item-4 · https://japanlaw.org/l/329AC0000000115/suppl-4121-18/art-1/par-1/item-4 --- ## Sources - e-Gov 法令検索, Digital Agency (デジタル庁) — 厚生年金保険法 — the text in force from 2026-10-01 (https://laws.e-gov.go.jp/law/329AC0000000115/20261001_507AC0000000074), retrieved 2026-10-13 - Japanese Law Translation Database System, Ministry of Justice (法務省) — Employees' Pension Insurance Act — Ministry of Justice translation (https://www.japaneselawtranslation.go.jp/en/laws/view/3554/tb), retrieved 2026-10-13 - claude-sonnet-5-5 — Machine translation, batch employees-pension-insurance-act-20261013T074650-056, translated 2026-10-13 - claude-sonnet-5-5 — Machine translation, batch employees-pension-insurance-act-20261013T083844-004, translated 2026-10-13 - This site's parser, version 190 — 厚生年金保険法 — structure, counts, cross-references and defined terms, computed 2026-10-13